1.

Each year 80,000 people move into a city, 70,000 people move out, 18,000 are born, and 11,000 die. Write a balance on the population of the city.(a) 17,000 P/yr(b) 15,000 P/yr(c) 20,000 P/yr(d) 22,000 P/yrI got this question in semester exam.I need to ask this question from Material Balance Numericals in division Material Balance of Bioprocess Engineering

Answer»

The correct answer is (a) 17,000 P/yr

Explanation: LET P denotes people,

INPUT + GENERATION – Output – Consumption = accumulation

80,000 P/yr + 18,000 P/yr – 70,000 P/yr – 11,000 P/yr = A(P/yr)

A = 17,000 P/yr

Each YEAR the city’s population increases by 17,000 P/yr.


Discussion

No Comment Found

Related InterviewSolutions